1702040047 has 2 divisors, whose sum is σ = 1702040048. Its totient is φ = 1702040046.

The previous prime is 1702039993. The next prime is 1702040059. The reversal of 1702040047 is 7400402071.

It is a strong prime.

It is an emirp because it is prime and its reverse (7400402071) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1702040047 - 2⁷ = 1702039919 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1702040077) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 851020023 + 851020024.

It is an arithmetic number, because the mean of its divisors is an integer number (851020024).

Almost surely, 2^1702040047 is an apocalyptic number.

1702040047 is a deficient number, since it is larger than the sum of its proper divisors (1).

1702040047 is an equidigital number, since it uses as much as digits as its factorization.

1702040047 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1568, while the sum is 25.

The square root of 1702040047 is about 41255.7880424068. The cubic root of 1702040047 is about 1193.9604053640.

The spelling of 1702040047 in words is "one billion, seven hundred two million, forty thousand, forty-seven".